body, html {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

#roomContainer {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  overflow: hidden;
  touch-action: manipulation;
  user-select: none;
}

#roomContainer *, ::before, ::after{
	box-sizing: border-box;
}

.pre-conference-container *, ::before, ::after{
	box-sizing: border-box;
}